PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-08:58:00
G01     309.5          31.4                5.9 +/-    3.22      10.0 +/-    3.22  0.040 / 0.060
G10     103.1          42.0                6.5 +/-    0.43       9.1 +/-    0.43  0.060 / 0.050
G11     285.8          27.6                6.9 +/-    1.37      12.8 +/-    1.37  0.070 / 0.090
G14     337.8          68.7                5.8 +/-    0.92       6.2 +/-    0.92  0.080 / 0.110
G18     282.7          48.8                7.2 +/-    1.06       9.3 +/-    1.06  0.080 / 0.150
G22     309.6          27.0                2.5 +/-    1.68       4.7 +/-    1.68  0.060 / 0.140
G25     85.4           15.8                3.0 +/-    0.87       7.2 +/-    0.87  0.040 / 0.060
G31     164.7          63.8                8.8 +/-    1.27       9.7 +/-    1.27  0.050 / 0.060
G32     35.3           53.0                5.6 +/-    0.56       6.8 +/-    0.56  0.070 / 0.190